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6956080641 = 322085737057
BaseRepresentation
bin1100111101001110…
…10101111000000001
3122221210002111202100
412132213111320001
5103221224040031
63110124541013
7334243465326
oct63647257001
918853074670
106956080641
112a4a587384
1214216b1769
1386b199463
1449dba6b4d
152aaa40de6
hex19e9d5e01

6956080641 has 12 divisors (see below), whose sum is σ = 10048424932. Its totient is φ = 4637039616.

The previous prime is 6956080627. The next prime is 6956080687. The reversal of 6956080641 is 1460806596.

6956080641 is a `hidden beast` number, since 6 + 9 + 560 + 80 + 6 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6678158400 + 277922241 = 81720^2 + 16671^2 .

It is not a de Polignac number, because 6956080641 - 213 = 6956072449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6956080741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169185 + ... + 206241.

Almost surely, 26956080641 is an apocalyptic number.

It is an amenable number.

6956080641 is a deficient number, since it is larger than the sum of its proper divisors (3092344291).

6956080641 is a wasteful number, since it uses less digits than its factorization.

6956080641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57920 (or 57917 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6956080641 is about 83403.1212905129. The cubic root of 6956080641 is about 1908.9220858869.

The spelling of 6956080641 in words is "six billion, nine hundred fifty-six million, eighty thousand, six hundred forty-one".

Divisors: 1 3 9 20857 37057 62571 111171 187713 333513 772897849 2318693547 6956080641